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From: Jean-Pierre Rosen <rosen@adalog.fr>
Newsgroups: comp.lang.ada
Subject: Re: Selective suppression of warnings --- gnat on GNU/Linux
Date: Wed, 31 Dec 2008 17:13:21 +0100
Organization: Adalog
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Date: 2008-12-31T17:13:21+01:00
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Robert A Duff a �crit :
> If that's true, then we must presume that the Pascal
> programmer already made sure that calculations won't
> overflow 
Sigh... I'm afraid you are over-optimistic here

> Or else there's a bug in the Pascal code,
> and we're going to translate that into the same
> bug in the Ada code.
I agree that the translator can't do any better.

>     type Pascal_Integer is range ...;
>     subtype T is Pascal_Integer range A..B;
> 
> where the rangs of Pascal_Integer is chosen to
> match the Pascal compiler -- obviously you have
> to know something about the Pascal compiler.
This is a good idea, and shows the Pascal legacy for the future maintainer.

-- 
---------------------------------------------------------
            J-P. Rosen (rosen@adalog.fr)
Visit Adalog's web site at http://www.adalog.fr